We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

Many pieces of military equipment don’t appear especially remarkable at first glance. A rifle attachment, a protective vest, ...

Learn how to measure sticky ingredients like peanut butter and syrup more easily, without the mess or frustration that ...

With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

Planning your first long distance walk? Here's everything you need to know, courtesy of our resident expert ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

This new Windows 11 taskbar tool lets you test your internet speed in seconds - how to try it ...

Abstract: Construction machinery has been widely used to upgrade the power industry. Nevertheless, high-voltage and high-current operational conditions necessitate stringent safety distance protocols.

Abstract: Optical frequency domain reflectometry (OFDR) can provide a powerful tool for fiber components and devices diagnosis and characterization. However, apart from laser source phase noise, the ...